(phonology) A consonant letter used to represent a vowel sound in Semitic scripts.

(historical) A small portable electro-mechanical rotor machine used to encrypt and decrypt secret messages, made famous by Germany in WWII.

A hip-hop performer responsible for backup rapping and singing and increasing an audience’s excitement with call-and-response chants.

A mixture of refractory materials used in casting metal. / A semi-liquid substance made of cornstarch and water, used in children's experiments.

A flexible defensive armor, made of a mesh of interlinked metal rings.

(sometimes collectively) A chain letter.

Having to do with matter; consisting of matter. / Worldly, as opposed to spiritual. / (law, accounting) Significant.

Matter which may be shaped or manipulated, particularly in making something. / Text written for a specific purpose. / A sample or specimens for study. / Cloth to be made into a garment. Fabric.

(obsolete, transitive) To form from matter; to materialize.

(music) the theoretical major key with A-sharp as its tonic and the notes A#, B#, C𝄪, D#, E#, F𝄪, G𝄪. Such a high number of accidentals (especially double sharps) is undesirable. Therefore, it is usually scored and referred to as its enharmonic equivalent; B-flat major.